FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in          Games  Calendar Log in to check your private messages    Stuck on this one          Sudoku Programmers Forum Index -> Solving sudoku View previous topic :: View next topic   Author Message puzzler111 Joined: 28 Feb 2007 Posts: 5 : Items Posted: Thu Mar 01, 2007 10:17 pm    Post subject: Stuck on this one 12..3...4 ..3...... .4.89 ..5..2 76.34.98. .....9..7 ...513.4. ........3 3.....21. I have removed a 2 in r2,c9 by using the 2 twos in each of c4 and c5 and this also removes 2 twos from the start of r8. I tink there may be a way of removing more twos but I'm not sure. Back to top Steve Joined: 12 Apr 2006 Posts: 12 : Items Posted: Thu Mar 01, 2007 11:23 pm    Post subject: Code: ------------------------- | 1 2 . | . 3 . | . . 4 | | . 3 . | . . . | . . . | | . 4 . | 8 9 . | . . . | ------------------------- | . . 5 | . . 2 | . . . | | 7 6 . | 3 4 . | 9 8 . | | . . . | . . 9 | . . 7 | ------------------------- | . . . | 5 1 3 | . 4 . | | . . . | . . . | . . 3 | | 3 . . | . . . | 2 1 . | ------------------------- Inspecting the grid reveals that the entries 2, 4 and 9 split the distribution of candidates in the fourth column. Steve Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First         Sudoku Programmers Forum Index -> Solving sudoku All times are GMT Page 1 of 1   Jump to: Select a forum Sudoku----------------Solving sudokuSetting sudokuProgramming sudokuThe mathematics of sudokuExotic sudoku Library----------------PuzzlesSoftwareSudoku elsewhere Not sudoku----------------Random thoughtsForum feedback  You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum   Powered by phpBB © 2001, 2005 phpBB Group Igloo Theme Version 1.0 :: Created By: Andrew Charron